package com.sky.mapper;

import com.github.pagehelper.Page;
import com.sky.annotation.AutoFill;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.enumeration.OperationType;
import com.sky.vo.DishVO;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;

import java.util.List;

@Mapper
public interface DishMapper {

    /**
     * 根据分类id查询菜品数量
     *
     * @param categoryId
     * @return
     */
    @Select("select count(id) from dish where category_id = #{categoryId}")
    Integer countByCategoryId(Long categoryId);

    //新增菜品
    @AutoFill(value = OperationType.INSERT)
    void insert(Dish dish);

    Page<DishVO> pageQuery(DishPageQueryDTO dishPageQueryDTO);


    @Select("select * from dish where id = #{id}")
    Dish getById(Long id);

//    @Delete("delete from dish where id = #{id}")
//    void deleteById(Long id);

    /**
     * 批量删除菜品
     * @param ids
     */
    void deleteBatch(List<Long> ids);

    @AutoFill(value = OperationType.UPDATE)
    void update(Dish dish);

    /**
     * 动态条件查询菜品
     * @param dish
     * @return
     */
    List<Dish> list(Dish dish);


    /**
     * 通过菜品id查询菜品分类id
     * @param id
     * @return
     */
    @Select("select category_id from dish where id=#{id}")
    Integer categoryIdByDishId(Long id);

}